Home / 5,436.28-8,156.24-2,150.92

Finding the Fourth Proportional to 5,436.28, 8,156.24 and 2,150.92

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Solution

The fourth proportional to 5,436.28, 8,156.24 and 2,150.92 is: 3,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.28 : 8,156.24 = 2,150.92 : x
  2. Step 2: Convert to fraction form
    5,436.28/8,156.24 = 2,150.92/x
  3. Step 3: Cross multiply
    5,436.28x = 8,156.24 × 2,150.92
  4. Step 4: Simplify right side
    5,436.28x = 17,543,419.74
  5. Step 5: Solve for x
    x = 17,543,419.74/5,436.28
  6. Step 6: Final answer
    x = 3,227.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.